45685788940 has 24 divisors (see below), whose sum is σ = 104661989712. Its totient is φ = 16613014080.

The previous prime is 45685788913. The next prime is 45685789027. The reversal of 45685788940 is 4988758654.

It is a happy number.

It is a super-2 number, since 2×45685788940² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103831119 + ... + 103831558.

It is an arithmetic number, because the mean of its divisors is an integer number (4360916238).

Almost surely, 2^45685788940 is an apocalyptic number.

It is an amenable number.

45685788940 is an abundant number, since it is smaller than the sum of its proper divisors (58976200772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45685788940 is a wasteful number, since it uses less digits than its factorization.

45685788940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207662697 (or 207662695 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 45685788940 in words is "forty-five billion, six hundred eighty-five million, seven hundred eighty-eight thousand, nine hundred forty".